public class Example4_10 { 
   public static void main(String args[]) {
       Lader.ÏÂµ×=100;     //LaderµÄ×Ö½ÚÂë±»¼ÓÔØµ½ÄÚ´æ,Í¨¹ýÀàÃû²Ù×÷Àà±äÁ¿
       Lader laderOne=new Lader();
       Lader laderTwo=new Lader();
       laderOne.ÉèÖÃÉÏµ×(28);
       laderTwo.ÉèÖÃÉÏµ×(66);
       System.out.println("laderOneµÄÉÏµ×:"+laderOne.»ñÈ¡ÉÏµ×());
       System.out.println("laderOneµÄÏÂµ×:"+laderOne.»ñÈ¡ÏÂµ×());
       System.out.println("laderTwoµÄÉÏµ×:"+laderTwo.»ñÈ¡ÉÏµ×());
       System.out.println("laderTwoµÄÏÂµ×:"+laderTwo.»ñÈ¡ÏÂµ×());
    } 
}

